Testing; Beacon Test - Ocean Signal plb1 User Manual

4.

TESTING

Routine testing of your PLB is recommended to ensure it is in good working order if
needed, but please follow the guidance notes below on the frequency that tests should be
carried out. Please remember that each test will reduce the battery capacity slightly and
reduce the operation time of your PLB during an emergency.
4.1

Beacon test

Pull antenna out fully before commencing the test. Retract the antenna after the
test.
To test your PLB1 is functioning correctly, press and hold the TEST key. The red LED will
come on to indicate the switch is depressed, followed by the red LED flashing rapidly. The
switch may now be released. After a delay, the strobe light will flash once and the
indicator LED will flash to show the pass or fail status.
repeated a second time after a short delay.
The number of green/amber flashes in each group indicates the battery status as shown in
the table below.
Green / Amber
Indicator
Changes to Amber after 1
hour of use
No of No of
Flashe Hours Used
s
0 to 1hr
(Green)
1 Flash
1 to 2hrs
(Amber)
2 2 to 4hrs
Flashes (Amber)
3 4 to 6hrs
Flashes (Amber)
4 6 to 8hrs
Flashes (Amber)
5 8 to 10hrs
Flashes (Amber)
6 Over 10hrs
Flashes (Amber)
Red
Because the test transmits a short burst on the
indicator
aircraft distress frequency of 121.5MHz, please
only carry out this test in the first five minutes of
each hour.
Type of
Failure
It is recommended to test your PLB once a
month.
121.5MHz
The amber test result is an electronic witness
homer
that indicates the battery has been used for over
one hour or the allowed number of tests has been
406MHz
exceeded. The PLB will still operate normally in
generation
distress, but the battery should be replaced to
406MHz
power amp
ensure the full operating life when your PLB is
needed.
Replace
battery
Other failure
PLB1 USER MANUAL
Note: This status indication is
9 Version 01.03 23/10/2017